Trapezoidal ditch excavation device

By designing a trapezoidal ditch excavation device with a detachable trapezoidal frame and leveling mechanism, the problems of low construction efficiency and poor quality of trapezoidal ditches in the existing technology have been solved, realizing the formation of high-efficiency, low-cost and high-quality trapezoidal ditches in highway construction.

CN223853415UActive Publication Date: 2026-01-30CCFEB CIVIL ENG
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Patent Information

Application Number
CN202520049345.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2026-01-30
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

In the construction of highways in Côte d'Ivoire, West Africa, existing technologies have led to problems such as the easy damage during the prefabrication and hoisting of trapezoidal ditches, low efficiency of cast-in-place processes, low efficiency of manual or simple mechanical excavation, inaccurate dimensions, poor flatness, and the tendency of ordinary machinery to over-excavate or under-excavate, resulting in quality and cost issues.

Method used

Design a trapezoidal ditch excavation device including a bucket body, a trapezoidal frame, and a leveling mechanism. The trapezoidal frame consists of a detachable fixed plate and an inclined plate, and is equipped with digging teeth and a leveling mechanism. It can adapt to trapezoidal ditches of different sizes and slopes, ensuring rapid prototyping and high-quality excavation.

Benefits of technology

It improved the excavation efficiency and quality of trapezoidal ditches, reduced the probability of over-excavation and under-excavation, reduced manual trimming work, saved construction costs, and ensured a smooth slope, thus improving construction efficiency and quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of highway drainage engineering construction, and particularly discloses a trapezoidal ditch excavation device which comprises an excavator bucket body, trapezoidal frames and a leveling mechanism, a hanging lug plate connected with an excavator is arranged at the top of the excavator bucket body, and the trapezoidal frames are detachably installed on the two sides of the excavator bucket body. The trapezoid frame comprises a fixing plate, an inclined plate, a first soil retaining plate and a second soil retaining plate, the fixing plate is detachably connected with the side wall of the excavator bucket body, the inclined plate is detachably installed on the side, away from the excavator bucket body, of the fixing plate to form a trapezoid with the fixing plate, the first soil retaining plate is fixedly installed on one side of the fixing plate, and the second soil retaining plate is installed on the same side of the inclined plate with the soil retaining plate. The first soil retaining plate and the second soil retaining plate are detachably connected, the leveling mechanism is installed on the side face of the inclined plate, the leveling mechanism is arranged along the inclined face of the inclined plate, the inclined plates with different inclination angles can be conveniently replaced according to different groove sizes to be installed on the fixing plate, the excavation angle and width can be flexibly adjusted, and the excavation requirements of different trapezoidal ditches are met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to expressway drainage engineering construction technical field, concretely is a trapezoidal water ditch excavation device. BACKGROUND

[0002] Drainage ditch is a common water conservancy structure in highway engineering, in the area that the expressway catchment area is bigger in west Africa Cote d'Ivoire, drainage ditch is designed into the reinforced concrete structure of trapezoidal section size, and the whole prefabrication of water ditch is easy to cause structure damage in hoisting process, and the cast-in-place technology is generally adopted in the local, and due to the large earthwork excavation amount, manual or simple mechanical tool, there are problems such as low excavation efficiency, inaccurate excavation size, poor internal wall flatness, and moreover, using ordinary mechanical excavation is easy to over-excavate and under-excavate, causes quality and cost problems, and water ditch construction forming is slow.

[0003] In addition, although some existing excavator buckets can be used for excavating trapezoidal water ditches, there are still deficiencies in adapting to trapezoidal water ditches of different sizes and ensuring excavation quality.

[0004] The utility model aims at providing a trapezoidal water ditch excavation device to solve the problems mentioned in the background. UTILITY MODEL CONTENTS

[0005] To achieve the above object, the utility model provides a trapezoidal water ditch excavation device, which comprises a bucket body, a trapezoidal frame and a leveling mechanism, the top of the bucket body is provided with a lug plate connected with an excavator, and the two sides of the bucket body are detachably provided with the trapezoidal frame.

[0006] The trapezoidal frame comprises a fixed plate, an inclined plate, a first soil retaining plate and a second soil retaining plate, the fixed plate is detachably connected with the side wall of the bucket body, the inclined plate is detachably installed on the side of the fixed plate away from the bucket body and forms a trapezoid with the fixed plate, the first soil retaining plate is fixedly installed on one side of the fixed plate, the second soil retaining plate is installed on the same side of the inclined plate as the first soil retaining plate, the first and second soil retaining plates are detachably connected, the leveling mechanism is installed on the side of the inclined plate, and the leveling mechanism is arranged along the inclined surface of the inclined plate.

[0007] As a further improvement of the utility model, the fixed plate is in the shape of a 7, is oppositely installed on the outer walls of the two sides of the bucket body and is connected and fixed through high-strength bolts, a plurality of fixing holes are formed in the top of the fixed plate, the fixing holes are used for installing the inclined plates of different inclination angles, and through this design, the inclined plates of different inclination angles can be replaced to adapt to grooves of different inclination slopes.

[0008] As a further improvement of the utility model, the inclined plate top plate is fixedly connected with a horizontal plate, the horizontal plate is provided with a limiting hole one matched with the fixed hole, the limiting hole one and the fixed hole are locked and fixed to the inclined plate and the fixed plate through high-strength bolt two, and the inclined plate and the fixed plate are fixedly connected through the design.

[0009] As a further improvement of the utility model, the fixed plate vertical plate bottom end is transversely provided with a short plate, a plurality of through holes are formed in the short plate, the inclined plate bottom end is fixedly provided with a clamping plate towards the fixed plate side, the clamping plate is provided with a limiting hole two corresponding to the through hole, the through hole and the limiting hole two are provided with high-strength bolt three, the short plate and the clamping plate are locked and fixed through the high-strength bolt three, and the inclined plate bottom and the fixed plate bottom end are connected through the design, thereby strengthening the stability of the trapezoidal frame as a whole.

[0010] As a further improvement of the utility model, the short plate top end is further provided with a clamping groove, when the clamping plate is clamped in the clamping groove, the inclined plate end and the short plate side wall are tightly fixed, and the through hole is located in the clamping groove, the clamping groove can quickly position the clamping plate, the clamping plate is clamped on the short plate, and the stability of the short plate and the clamping plate is improved.

[0011] As a further improvement of the utility model, the inclined plate is further provided with a stiffener, the stiffener is transversely installed between the fixed plate and the inclined plate, a threaded column is fixedly installed at the stiffener end, the fixed plate and the excavator body are both provided with a limiting hole three matched with the threaded column, the threaded column passes through the limiting hole three and is locked and fixed through a cap nut, the stiffener is welded on the inclined plate and transversely installed between the inclined plate and the fixed plate, and the stability of the trapezoidal frame overall structure is enhanced.

[0012] As a further improvement of the utility model, the inclined plate digging face is detachably provided with a plurality of digging teeth, the plurality of digging teeth are evenly distributed along the inclined face of the inclined plate, the design not only can more effectively break the soil and dig, improve the construction efficiency, but also can assist in scraping the slope and improve the neatness of the slope face.

[0013] As a further improvement of the utility model, a plurality of positioning grooves are evenly distributed on the inclined plate along the inclined face, the plurality of digging teeth are clamped in each positioning groove one by one and locked and fixed through high-strength bolt four, the design is convenient for the digging teeth to be evenly distributed on the inclined plate, prevents installation skewing, and improves installation efficiency and installation accuracy.

[0014] As a further improvement of the utility model, the flattening mechanism comprises a sleeve, a compression roller, a sliding block and a connecting rod, the compression roller is rotatably installed in the sleeve, the connecting rod is fixedly installed on the outer wall of the sleeve, the end of the connecting rod is fixedly connected with the sliding block, the second soil retaining plate is fixedly installed with a mounting sleeve, one side of the mounting sleeve is provided with a guide groove, the guide groove is matched with the sliding block, and the end of the mounting sleeve is fixedly connected with the sliding block through a piston head, so that the inclined surface of the trapezoidal groove can be flattened in real time, soil falling is reduced, and the excavation quality is ensured.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1、The trapezoidal frame composed of the fixed plate and the inclined plate is arranged on both sides of the excavator body, which facilitates the excavation of the water ditch according to the shape of the trapezoidal ditch, ensures that the groove is formed at a high speed, and effectively reduces the probability of over-excavation, under-excavation and the like of the groove, when the trapezoidal groove is excavated, the trapezoidal frame on both sides of the excavator body is used to slope instead of manual groove finishing, the slope surface is smooth and flat, manual finishing work is greatly reduced, construction efficiency is improved, and construction cost is saved.

[0017] 2、The trapezoidal frame is divided into the fixed plate and the inclined plate, different inclined plates and fixed plates of different inclination angles can be installed according to different groove sizes, the excavation angle and width can be flexibly adjusted, the excavation demand of different trapezoidal ditches is met, further, a plurality of digging teeth are installed on the excavation side of the inclined plate, the soil can be broken and excavated more effectively, the construction efficiency is improved, the slope surface is improved in cleanliness, the digging teeth are detachably installed on the inclined plates of different inclination angles, and the utilization rate is improved.

[0018] 3、The flattening mechanism is installed on the second soil retaining plate of the inclined plate, the inclined surface of the trapezoidal groove can be flattened in real time, the soil on the slope surface of the groove is prevented from loosening and collapsing, the situation of rework finishing is reduced, and the construction quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0020] Figure 2 It is a trapezoidal frame and excavator body separation view of the utility model;

[0021] Figure 3 It is an explosion view of the utility model;

[0022] Figure 4 It is an inclined plate and fixed plate separation view of the utility model;

[0023] Figure 5The inclination plate and the leveling mechanism connecting structure schematic view of the utility model;

[0024] Figure 6 The leveling mechanism structure schematic view of the utility model;

[0025] Figure 7 The sliding block and the guide slot connecting schematic view of the utility model.

[0026] In the figure: 1, excavator main body;11, lug plate;12, limit hole three;

[0027] 2, trapezoidal frame;21, fixed plate;211, short plate;212, through hole;213, clamping groove;22, inclination plate;221, horizontal plate;222, limit hole one;223, high-strength bolt two;224, clamping plate;225, stiffener;226, excavator tooth;227, positioning groove;23, soil baffle one;24, soil baffle two;

[0028] 3, leveling mechanism;31, sleeve;32, compression roller;33, sliding block;34, connecting rod;

[0029] 4, mounting sleeve;41, guide slot;42, piston head. DETAILED DESCRIPTION

[0030] In order to facilitate understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings, and the drawings show several embodiments of the utility model, but the utility model can be realized by different forms, and is not limited to the embodiments described in the text, on the contrary, these embodiments are provided in order to make the disclosed content of the utility model more thorough and comprehensive.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs, and the terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments, and are not intended to limit the utility model, and the term "and / or" used herein includes any and all combinations of one or more related listed items.

[0032] The utility model will be described in further detail below in combination with the drawings. Embodiment 1

[0033] Please refer to Figures 1-7 The utility model provides a trapezoidal ditch excavating device, including excavator main body 1, trapezoidal frame 2, leveling mechanism 3, the top of excavator main body 1 is equipped with lug plate 11 connected with excavator, the both sides of excavator main body 1 are detachably installed with trapezoidal frame 2;

[0034] The trapezoidal frame 2 comprises a fixed plate 21, an inclined plate 22, a first soil retaining plate 23 and a second soil retaining plate 24, the fixed plate 21 is detachably connected with the side wall of the bucket body 1, the inclined plate 22 is detachably installed on the side of the fixed plate 21 away from the bucket body 1 and forms a trapezoid with the fixed plate 21, the first soil retaining plate 23 is fixedly installed on one side of the fixed plate 21, the second soil retaining plate 24 is installed on the same side of the inclined plate 22 as the first soil retaining plate 23, the first soil retaining plate 23 and the second soil retaining plate 24 are detachably connected, and the leveling mechanism 3 is installed on the side of the inclined plate 22, and the leveling mechanism is arranged along the inclined surface of the inclined plate 22.

[0035] The fixed plate 21 is in the shape of a 7, is oppositely installed on the outer walls of the bucket body 1 on both sides, and is connected and fixed by high-strength bolts 1. A plurality of fixing holes are formed in the top of the fixed plate 21, and the inclined plates 22 with different inclination angles are installed through the fixing holes.

[0036] The top plate of the inclined plate 22 is fixedly connected with a horizontal plate 221, the horizontal plate 221 is provided with a limiting hole 222 matched with the fixing hole, and the limiting hole 222 and the fixing hole are locked and fixed to the inclined plate 22 and the fixed plate 21 by high-strength bolts 2 223.

[0037] In use, the fixed plate 21 is correspondingly matched with the mounting holes on the side wall of the bucket body, then connected and fixed by high-strength bolts 1, then the corresponding inclined plate 22 is selected according to the size of the trapezoidal groove, then the limiting holes on the top end horizontal plate 221 of the inclined plate 22 are correspondingly matched with the fixing holes on the top end of the fixed plate 21, then connected and fixed by high-strength bolts 2 223, and then the second soil retaining plate 24 on the inclined plate 22 and the first soil retaining plate 23 on the fixed plate 21 are both provided with threaded holes, and high-strength bolts 5 are installed in the threaded holes to lock and fix. The detachable design between the inclined plate 22 and the fixed plate 21 facilitates the replacement of inclined plates 22 and fixed plates 21 with different inclination angles according to different groove sizes, the second soil retaining plates 24 on the inclined plates 22 with different inclination angles are different in size, which facilitates better adaptation with the first soil retaining plate 23, the digging angle and width can be flexibly adjusted, the excavation requirements of different trapezoidal ditches can be met, then the leveling mechanism 3 is installed on the inclined plate 22, which facilitates the leveling of the slope surface during excavation. In the embodiment, the trapezoidal frame 2 is installed on both sides of the bucket body to form a trapezoidal digging device, which facilitates the ditch excavation according to the shape of the trapezoidal ditch, ensures the fast forming speed of the groove, and effectively reduces the probability of over-excavation, under-excavation and other problems. When excavating the trapezoidal groove, the trapezoidal frames 2 on both sides of the bucket body 1 perform slope scraping instead of manual groove trimming, the slope surface is smooth and flat, the manual trimming work is greatly reduced, the construction efficiency is improved, and the construction cost is saved. Embodiment 2

[0038] Please refer to Figures 2-4 , the fixed plate 21 vertical plate bottom end transverse installation has a short plate 211, a plurality of through holes 212 are opened on the short plate 211, the bottom end of the inclined plate 22 is fixedly installed towards the fixed plate 21 side and is provided with a limiting hole two corresponding to the through hole 212, the through hole 212 and the limiting hole two are penetrated by high-strength bolt three, and the short plate 211 and the clamping plate 224 are locked and fixed by high-strength bolt three.

[0039] The short plate 211 top is also provided with a clamping groove 213, when the clamping plate 224 is clamped in the clamping groove 213, the end of the inclined plate 22 is tightly fixed with the side wall of the short plate 211, and the through hole 212 is located in the clamping groove 213.

[0040] In use, by transversely arranging the short plate 211 and the clamping plate 224 at the bottom end of the fixed plate 21 and the inclined plate 22 respectively, the clamping plate 224 and the short plate 211 are locked and fixed by high-strength bolt three, the stability of the trapezoidal frame 2 as a whole can be improved, further, the clamping groove 213 is arranged on the short plate 211, which facilitates the clamping plate 224 to play a positioning and guiding role when being connected with the short plate 211, facilitates the limiting hole on the clamping plate 224 to be quickly aligned with the through hole 212 on the short plate 211, improves the installation efficiency and installation quality, and simultaneously facilitates the stability of the connection between the short plate 211 and the clamping plate 224 to be improved. Embodiment 3

[0041] Please refer to Figures 4-5 , the inclined plate 22 is further provided with a stiffener 225, the stiffener 225 is transversely installed between the fixed plate 21 and the inclined plate 22, a threaded column is fixedly installed at the end of the stiffener 225, the fixed plate 21 and the bucket body 1 are both provided with a limiting hole three 12 matched with the threaded column, and the threaded column is locked and fixed by a cap nut through the limiting hole three 12.

[0042] By installing the stiffener 225 between the fixed plate 21 and the inclined plate 22, the overall structural strength of the bucket is effectively enhanced, so that it is more firm and not easy to deform during excavation, the stiffener 225 as an additional supporting structure can disperse the pressure generated during excavation, protect the bucket and the trapezoidal frame 2 from being damaged, and prolong the service life.

[0043] The digging face of the inclined plate 22 is detachably installed with a plurality of digging teeth 226, and the plurality of digging teeth 226 are evenly distributed along the inclined face of the inclined plate 22.

[0044] The inclined plate 22 is uniformly provided with a plurality of positioning grooves 227 along the inclined surface, and a plurality of the digging teeth 226 are clamped in each of the positioning grooves 227 and are fixed by high-strength bolts.

[0045] In use, the non-digging end of the digging tooth 226 is clamped in the positioning groove 227, and then is fixed by high-strength bolts. The digging tooth 226 is installed in each of the positioning grooves 227 in sequence, and a plurality of the digging teeth 226 are installed on the digging side of the inclined plate 22, which can not only more effectively break the soil and dig, improve the construction efficiency, but also assist in slope scraping and improve the neatness of the slope surface. The digging tooth 226 is in a detachable form and can be installed on the inclined plate 22 with different inclinations, thereby improving the utilization rate. Embodiment 4

[0046] Please refer to Figures 6-7 The leveling mechanism 3 comprises a sleeve 31, a compression roller 32, a sliding block 33 and a connecting rod 34. The compression roller 32 is rotatably installed in the sleeve 31. The connecting rod 34 is fixedly installed on the outer wall of the sleeve 31. The end of the connecting rod 34 is fixedly connected with the sliding block 33. The soil retaining plate two 24 is fixedly provided with a mounting sleeve 4. One side of the mounting sleeve 4 is provided with a guide groove 41 matched with the sliding block 33. The end of the mounting sleeve 4 is provided with a piston head 42 for limiting and fixing the sliding block 33.

[0047] In use, the connecting rod 34 and the sliding block 33 fixedly connected with the outer wall of the sleeve 31 are inserted into the guide groove 41 of the mounting sleeve 4 according to the opening position of the guide groove 41 on the mounting groove of the soil retaining plate two 24, and then the piston head 42 is inserted into the end of the mounting sleeve 4. No space is left at the end of the mounting sleeve 4 for inserting the piston head 42. When the piston head 42 is completely inserted into the mounting sleeve 4, the bottom of the piston head 42 tightly fixes the sliding block 33 to prevent the sliding block 33 from being separated from the mounting sleeve 4. The compression roller 32 on the side of the ladder-shaped frame 2 rotates during digging to compact the inner wall of the dug ladder-shaped groove, reduce soil falling and ensure the digging quality.

[0048] The utility model is described exemplarily in combination with the drawings, and obviously, the specific implementation of the utility model is not limited by the above-mentioned mode. As long as the method concept and technical scheme of the utility model are adopted for such non-essential improvement or the concept and technical scheme of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A trapezoidal trench excavating apparatus characterized by: Including excavator main body, trapezoidal frame and leveling mechanism, the top of the excavator main body is provided with a lug plate connected with the excavator, and the two sides of the excavator main body are detachably provided with the trapezoidal frame; The trapezoidal frame includes a fixed plate, an inclined plate, a first soil retaining plate and a second soil retaining plate, the fixed plate is detachably connected with the side wall of the excavator main body, the inclined plate is detachably installed on the side of the fixed plate away from the excavator main body and forms a trapezoid with the fixed plate, the first soil retaining plate is fixedly installed on one side of the fixed plate, the second soil retaining plate is installed on the same side of the inclined plate as the first soil retaining plate, the first soil retaining plate and the second soil retaining plate are detachably connected, the inclined plate is provided with the leveling mechanism on the side surface, and the leveling mechanism is arranged along the inclined surface of the inclined plate.

2. A device for excavating a trapezoidal trench according to claim 1, characterized in that: The fixed plate is in the shape of 7, is oppositely installed on the outer walls of the two sides of the excavator main body, and is connected and fixed by high-strength bolts.

3. A device for excavating a trapezoidal trench according to claim 2, characterized in that: A plurality of fixing holes are formed in the top of the fixed plate, and the fixing holes are used to install the inclined plates with different inclination angles.

4. A device for excavating a trapezoidal trench according to claim 3, characterized in that: The top plate of the inclined plate is fixedly connected with a horizontal plate, the horizontal plate is provided with a limiting hole one matched with the fixing hole, and the limiting hole one and the fixing hole lock and fix the inclined plate and the fixed plate through high-strength bolts two.

5. A device for excavating a trapezoidal trench according to claim 4, characterized in that: The bottom end of the vertical plate of the fixed plate is transversely provided with a short plate, a plurality of through holes are formed in the short plate, the bottom end of the inclined plate is fixedly provided with a clamping plate on the side of the fixed plate, the clamping plate is provided with limiting holes two corresponding to the through holes, and high-strength bolts three are arranged through the through holes and the limiting holes two to lock and fix the short plate and the clamping plate.

6. A device for excavating a trapezoidal trench according to claim 1, characterized in that: The top of the short plate is also provided with a clamping groove, when the clamping plate is clamped in the clamping groove, the end of the inclined plate is tightly fixed with the side wall of the short plate, and the through hole is located in the clamping groove.

7. A device for excavating a trapezoidal trench according to claim 1, characterized in that: The inclined plate is also provided with a stiffener, the stiffener is transversely arranged between the fixed plate and the inclined plate, the end of the stiffener is fixedly provided with a threaded column, the fixed plate and the excavator main body are both provided with limiting holes three matched with the threaded column, and the threaded column is locked and fixed through the limiting holes three by a cap nut.

8. A device for excavating a trapezoidal trench according to claim 7, characterized in that: A plurality of digging teeth are detachably installed on the digging surface of the inclined plate, and the digging teeth are evenly distributed along the inclined surface of the inclined plate.

9. A device for excavating a trapezoidal trench according to claim 1, characterized in that: A plurality of positioning grooves are evenly distributed on the inclined surface of the inclined plate, and the digging teeth are clamped in each positioning groove one by one and locked and fixed by high-strength bolts four. The leveling mechanism includes a sleeve, a pressure roller, a sliding block and a connecting rod, the pressure roller is rotatably installed in the sleeve, the connecting rod is fixedly installed on the outer wall of the sleeve, the end of the connecting rod is fixedly connected with the sliding block, the second soil retaining plate is fixedly provided with a mounting sleeve, one side of the mounting sleeve is provided with a guide groove matched with the sliding block, and the end of the mounting sleeve is limited and fixed to the sliding block by a piston head.